I had to draw this as a requirement for my drawing class in college. It is not a tracing or anything; I did use a grid however to assist my hand and eye. Black, white and red conte crayon on dark grey charcoal paper.
All the information of the original can be found here: http://amica.davidrumsey.
com/luna/servlet/detail/A MICO~1~1~37450~100796:Jac ques-Dumont,-called-Le-Ro main